From 8e0100ba8516a4c0bd7bafa49ccd5673bcadfbfb Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 28 May 2018 06:50:17 +0000
Subject: [PATCH] ocamlPackages.ppx_import: use opaline

---
 pkgs/development/ocaml-modules/ppx_import/default.nix | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/ocaml-modules/ppx_import/default.nix b/pkgs/development/ocaml-modules/ppx_import/default.nix
index 991af1e41de1..3948cfce0e8e 100644
--- a/pkgs/development/ocaml-modules/ppx_import/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_import/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, buildOcaml, ocaml, opam,
+{stdenv, fetchFromGitHub, buildOcaml, ocaml, opaline,
  cppo, ppx_tools, ounit, ppx_deriving}:
 
 buildOcaml rec {
@@ -15,15 +15,12 @@ buildOcaml rec {
     sha256 = "14c2lp7r9080c4hsb1y1drbxxx3v44b7ib5wfh3kkh3f1jfsjwbk";
   };
 
-  buildInputs = [ cppo ounit ppx_deriving opam ];
+  buildInputs = [ cppo ounit ppx_deriving opaline ];
 
   doCheck = true;
   checkTarget = "test";
 
-  installPhase = ''
-    opam-installer --script --prefix=$out ppx_import.install | sh
-    ln -s $out/lib/ppx_import $out/lib/ocaml/${ocaml.version}/site-lib
-  '';
+  installPhase = "opaline -prefix $out -libdir $OCAMLFIND_DESTDIR";
 
   meta = with stdenv.lib; {
     description = "A syntax extension that allows to pull in types or signatures from other compiled interface files";